>sp|P0C208-2|REX_HTL1L Isoform p21Rex of Protein Rex OS=Human T-cell leukemia virus 1 (isolate Melanesia mel5 subtype C) OX=402046 MDALSAQLYSSLSLGSPPSPPREPLKPSRSLPHRPLIQPPTFHPPSSRPYANTPPSEMGA WSPPLGSSSQACPSPTPASGPKTCTPSGEAPSSACTSISFPPPSPGPSCPR